Average annual temperature is 26.1 °C
Absolute maximum temperature: 38.7 °C
Absolute minimum temperature: 17.2 °C
Number of sunny days: 112 days
Number of rainy days: 253 days
Look at detailed online map of Mansumana
* Weather data for Mansumana Sierra Leone is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 37.1 | 38.5 | 38.7 | 36.7 | 35.9 | 32.9 | 33.3 | 33.0 | 32.1 | 32.8 | 33.9 | 35.6 |
| Average daytime temperature (°C) | 35.5 | 36.1 | 34.7 | 34.3 | 32.5 | 30.1 | 29.6 | 28.8 | 29.7 | 30.4 | 31.4 | 33.3 |
| Average temperature (°C) | 27.0 | 27.9 | 27.3 | 27.7 | 26.9 | 25.1 | 24.8 | 24.6 | 24.9 | 25.3 | 26.1 | 26.2 |
| Average night temperature (°C) | 21.1 | 22.6 | 22.9 | 23.7 | 23.8 | 22.8 | 22.4 | 22.4 | 22.5 | 22.7 | 22.8 | 21.3 |
| Absolute minimum temperature (°C) | 17.8 | 21.1 | 21.2 | 22.7 | 23.0 | 21.6 | 21.1 | 21.5 | 21.4 | 21.8 | 21.8 | 17.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.7 | 11.8 | 12.1 | 12.3 | 12.5 | 12.6 | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.6 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 9.7 | 9.8 | 9.5 | 8.8 | 7.3 | 6.5 | 7.2 | 5.7 | 6.7 | 6.8 | 8.5 | 9.7 |
| Precipitation (mm) | 2 | 0 | 24 | 96 | 308 | 406 | 569 | 717 | 443 | 399 | 115 | 2 |
| Sunny days | 28 | 27 | 17 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 27 |
| Rainy days | 3 | 1 | 14 | 23 | 31 | 30 | 31 | 31 | 30 | 31 | 24 | 4 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mansumana is at